#include <iostream>
#include <cmath>
#include <algorithm>
#include <cstring>
#include <vector>
#include <map>
#include <queue>
#include <cstdio>
#include <string>
#include <stack>
#include <set>
#define IOS ios::sync_with_stdio(false), cin.tie(0)
using namespace std;
typedef long long ll;
//题目 2108: 抢夺资源
int main()
{
    IOS;
    ll n,m;
    while(cin>>n>>m){
        if(n%(m+1)==0){
            cout<<"Wildhunte"<<endl;
        }
        else cout<<"Gerlot"<<endl;
    }
    getchar();
    getchar();
    return 0;
}
